NEW YORK, NY--(Marketwire - April 14, 2008) - Nielsen Online, a service of The Nielsen Company, reports March 2008 data for the Top Sites by Parent Company and Top Brands.

Nielsen Online Top 10 Web Sites by Parent Company and Top 10 Web Sites by Brand, March 2008

Table 1. Top 10 Parent Companies,
Combined Home & Work (U.S.)

                                    Unique              Time Per
                                   Audience              Person
Parent                               (000)             (hh:mm:ss)
1.  Google                         128,026               1:43:21
2.  Microsoft                      123,911               2:21:42
3.  Yahoo!                         115,508               3:12:30
4.  Time Warner                    108,269               3:44:09
5.  News Corp. Online               78,961               2:02:36
6.  eBay                            67,517               1:53:26
7.  InterActiveCorp                 65,698               0:23:22
8.  Amazon                          55,314               0:26:49
9.  Wikimedia Foundation            54,591               0:18:37
10. Walt Disney Internet Group      50,962               0:42:17



Table 2. Top 10 Brands,
Combined Home & Work (U.S.)

                                     Unique             Time Per
                                    Audience             Person
Brand                                (000)             (hh:mm:ss)
1.  Google                         119,674               1:15:40
2.  Yahoo!                         114,551               3:12:38
3.  Microsoft                       99,672               0:44:46
4.  MSN/Windows Live                96,993               2:13:44
5.  AOL Media Network               90,644               3:59:59
6.  YouTube                         71,273               0:50:34
7.  Fox Interactive Media           70,389               2:07:30
8.  eBay                            57,220               1:58:31
9.  Wikipedia                       54,301               0:18:36
10. Apple                           47,516               1:13:23

Example: The data indicates that 51.0 million home and work Internet users visited at least one of the Walt Disney Internet Group-owned sites or launched a Walt Disney Internet Group-owned application during the month, and each person spent, on average, a total of 42 minutes and 17 seconds at one or more of their sites or applications.

A parent company is defined as a consolidation of multiple domains and URLs owned by a single entity. A brand is defined as a consolidation of multiple domains and URLs that has a consistent collection of branded content.

          Average U.S. Internet Usage, Combined Home & Work
                          Month of March 2008

                              Home & Work,    Home & Work,         % Change
                                    March        February     from February
Sessions/Visits per Person             60              58               3.5
Domains Visited per Person            105             104               1.0
Web Pages per Person                2,437            2370               2.8
Duration of a Web Page Viewed     0:00:52         0:00:53              -0.6
PC Time per Person               19:42:28        17:38:32               3.2
Active Digital Media
 Universe                   164.6 million   162.3 million               1.4
Current Digital Media
 Universe Estimate          221.3 million   220.6 million               0.3

Data represents activity for the average Internet user at-home and at-work during the month.

          Active U.S. Audience Profile, Combined Home & Work
                          Month of March 2008

               Unique               Sessions   Average PC   Average Web
             Audience  Composition       per   Time Spent  Pages Viewed
Demographic     (000)          (%)     Month    per Month     Per Month

Male          80,084     48.65            62     70:46:57         2,622
Female        84,529     51.35            58     64:47:10         2,264
2  -  11      15,220      9.25            12     12:45:31           560
12  -  17     17,481     10.62            23     26:46:54         1,476
18  -  24     12,875      7.82            23     25:21:44         1,356
25  -  34     21,470     13.04            56     64:44:22         2,759
35  -  49     43,316     26.31            78     92:44:13         3,499
55+           37,440     22.74            80     85:14:47         2,296
65+           15,800       9.6            75     73:02:01         1,636

Data represents activity for the average Internet user among select demographic groups.

Example: The data indicates that of the 164.6 million users who were actively online during the month of March, 48.7% or 80.1 million were Male. The average male spent a total of nearly 70 hours and 47 minutes online, logged 62 sessions and viewed 2,622 Web pages during the month.

About Nielsen Online:

Nielsen Online, a service of The Nielsen Company, delivers comprehensive, independent measurement and analysis of online audiences, advertising, video, consumer-generated media, word of mouth, commerce and consumer behavior, and includes products previously marketed under the Nielsen//NetRatings and Nielsen BuzzMetrics brands. With high quality, technology-driven products and services, Nielsen Online enables clients to make informed business decisions regarding their Internet, digital and marketing strategies. For more information, please visit www.nielsen-online.com.

About The Nielsen Company:

The Nielsen Company is a global information and media company with leading market positions in marketing information (ACNielsen), media information (Nielsen Media Research), online intelligence (NetRatings and BuzzMetrics), mobile measurement, trade shows and business publications (Billboard, The Hollywood Reporter, Adweek). The privately held company is active in more than 100 countries, with headquarters in Haarlem, the Netherlands, and New York, USA. For more information, please visit, www.nielsen.com.